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BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan)
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Articles 95 Documents
ANALISIS KANDUNGAN LOGAM Pb, Cu, Cd DAN Zn PADA SAYURAN SAWI, KANGKUNG DAN BAYAM DI AREAL PERTANIAN DAN INDUSTRI DESA PAYA RUMPUT TITIPAPAN MEDAN Yusuf, Muhammad; Nurtjahja, Kiki; Lubis, Rosliana
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 1 (2016): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

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Abstract

The levels of Pb, Cu, Cd and Zn in sawi (Barsssica rapa), ground kuna (Ipomea reptans), and spinach (Amaranthus tricolor) in the area of Paya Rumput Titipapan Medan village have been done. The goal is to know the levels of these metals in vegetables grown in the agricultural area of Paya Rumput Titipapan Village. Samples taken randomly in wash drained and weighed. Wet weight then dried at a temperature of 50-100o C for 3 hours, After dry on weigh in gerus until smooth. The sample was destructed with concentrated nitric acid with temperature 80o C, the sample was analyzed by using atomic absorption spectrophotometric (AAS). The results showed the highest levels of lead found in spinach is 6 mg / kg. Levels of cadmium in kale and spinach is 3 mg / kg. While the Cu content on the analysis results are still within the maximum limit. The concentration of Pb, Cd, Zn in each sample exceeds the maximum allowed by the Decree of Dit Jend POM No 03725 / B / SKVII / 89 and SNI 7387: 2009.
ISOLASI DAN IDENTIFIKASI FUNGI MIKORIZA ARBUSKULAR DARI PERAKARAN TEBU (SACCHARUM OFFICINARUM L) DI AREA PERKEBUNAN TEBU SEI SEMAYANG KABUPATEN DELI SERDANG Pulungan, Ahmad Shafwan S
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 1, No 1 (2014): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

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Abstract

Research isolation and identification of arbuscular mycorrhiza fungi was conducted in March 2009. The purpose of this study was to determine the genus of the arbuscular mycorrhizal roots tebu.Sampling contained in an area measuring 20m x 20m with a 5 point sampel.Teknik taking isolate spores used in arbuscular mycorrhiza is a technique castings strain and followed by centrifugation techniques . The observations obtained 8 types of arbuscular mycorrhiza spores comprising 7 species of the genus Glomus and one type of the genus Acaulospora .
AKUMULASI TIMBAL (Pb) DAN KEANEKARAGAMAN JENIS Lichenes DI TAMAN KOTA MEDAN Chandra, Radiansyah Hadi
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 2, No 1 (2015): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

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Abstract

This reseach aim of the study is to examine factors affecting the accumulation of lead content (Pb) and other types Lichenes in Medan city park. This study was conducted on March 2010. The research location is determined by using purposive sampling method, in the three parks in the Beringin Park, Ahmad Yani Park, and Bunga Teladan Park. Lichenes species diversity existing in the three parks of Medan, consists of three types of tribes Physciaceae with body type of  thalus Cructose are Dirinaria Picta, Dirinaria aplanata, and Pixine cocoes. At the parks biggest influence is the Beringin Park motorized pedicab (Betor) with regression equation Y = (-0.059) + 000157x and a private car with a value of Y = (-0.059) + 0.0009428x, at the Ahmad Yani Park is a private car with a value of Y = 0.011 + 0.0001501x, and at the Bunga Teladan Park of motorized pedicab (betor) with a value of Y = (-0.099) + 0.000535x to increment the accumulated content of Pb in the body thalus Lichenes. Accretion physical parameters that affect the accumulation of lead (Pb) in Beringin Park regrasi the temperature with the equation Y = (-0.059) + 0.002x, Ahmad Yani Park of moisture with the value Y = 0.011 + 0.0003243x, and light intensity with the value Y = 0.011 + 0.0009387x, while in Bunga Teladan Park of temperature with the value Y = (-0.099) + 0.005 x, and humidity, with a value of Y = (-0.099) + 0.0001543 x.
Hubungan Antara Nilai Cluster of Differentiated 4 Dengan Stadium Human Immuno Deficiency Virus Pada Ibu Hamil Yang Terinfeksi HIV/AIDS Sulastri, Sulastri; Sartini, Sartini; Nugrahalia, Meida
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 1 (2016): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

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Abstract

Morbiditas and mortalitas caused by Human Immunodeficiency Virus (HIV) or Acquired Deficiency Syndrome (AIDS) trend increase and become an important problem peoples health in the world. Through out the 80% of children AIDS victim has a prenatal infection from their mother. The aim of this study is to know the relationship between CD4 value and HIV stadium at pregnant mother infected by HIV/AIDS. A descriptive method was applied in this experiment. The sample obtained, from 22 pregnant mothers victims diagnosed of HIV/AIDS infection in Posyansus RSUP. H. Adam Malik Medan since January 2012 until June 2013. Data obtained by measuring CD4 value before and after ARV theraphy, then statistically  analyzed. The result out showed that 12 of samples (55%) have low CD4 value before ARV theraphy below 200 m3. Than, CD4 value were increased after ARV theraphy not affected by the stadium status. CD4 value before and after ARV theraphy has a negative linear corellation with HIV stadium (r = -0,743) it can be conclude that increased of CD4 value give an indirect contribution to HIV stadium victims.
ANALISIS SUBSTRAT DI EKOSISTEM KAMPUNG NIPAH DESA SEI NAGALAWAN SERDANG BEDAGAI SUMATERA UTARA Sari, Arum Novi; Kardhinata, E. Harso; ZNA, Hanifah Mutia
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 2 (2017): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (860.545 KB) | DOI: 10.31289/biolink.v3i2.847

Abstract

This research was conducted to determine the type of substrate and its composition in Kampung Nipah ecosystems Perbaungan Serdang Bedagai District of North Sumatra in February to March 2016. Sampling by using the pipe with descriptive methods  and the purposive random sampling technique, while the measured variable is the biology variables that includes physical and chemical factors waters. Physical and chemical factors include pH, salinity, temperature. The study of these types of substrates include gravel, sand is very coarse, coarse sand, medium sand, fine sand, very fine sand, silt and clay. Measurement of physical and chemical factors waters obtained an average pH 7 both estuaries, mangrove rehabilitation and natural; salinity of estuarine waters at 200/00 and the rehabilitation of 280/00 natural mangrove 240/00; average temperature of 29-30°C. At the mouth of the river, gravel 0.95%, 97.56% sand and mud of 1.58%, obtained ma sand and mud of 1.58%, obtained mangrove rehabilitation of gravel 0.16%, 93.53% sand, and mud 6.12%, while the natural mangrove 0% gravel, sand 29.88%, 69.89% and mud. So we get the type of substrate on river estuaries nypa and mangrove rehabilitation is the sandy substrate and on a natural mangrove is a muddy substrate.
PENGARUH KONSENTRASI BASA TERHADAP PRODUK HIDROLISIS ESTER Saragih, Sri Wahyuna
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 1, No 2 (2015): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.92 KB) | DOI: 10.31289/biolink.v1i2.728

Abstract

This study aims to determine the effect of concentration of base to ester hydrolysis products. Ester can dihidroisis with an alkaline catalyst at different concentrations. In this study, the concentration of metal acetate used was 1 M NaOH while coud concentration was 0.5 M, 0.75 M, 1 M, 1.25 M. The hydrolysis reaction using ethanol and refluxed for 2 hours at room temperature. Hydrolysis of methyl acetate ester compounds produced methanol with purity varies by different concentrations of methyl acetate and NaOH. At concentrations of 0.5 M NaOH acquired 79.5068% purity methanol, 0.75 M NaOH concentration 85.6665% purity methanol, 1 M NaOH concentration 99.6311% purity methanol and NaOH concentration of 1.25 M purity methanol 100,0000 %. Based on the results of the hydrolysis product purity shows the influence of the concentration of NaOH to the product ester hydrolysis. Methanol compound structure was analyzed by an infrared spectrometer and a mass spectrometer.
PEMANFAATAN CENDAWAN Beauveria bassiana(BALS.) VUILL. SEBAGAI MIKO-INSEKTISIDA TERHADAP KUTU LONCAT JERUK Diaphorina citri KUW. (HEMIPTERA: LIVIIDAE) Permadi, Muhammad Agung
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 4, No 1 (2017): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

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Abstract

Asiatic citrus psyllid Diaphorina citri Kuwayama has been considered as one of important citrus pests and a vector of a serious citrus disease as well, greening disease or known as Huanglongbing (HLB). Among entomophatogenic fungi which can be used to control those pest insects isBeauveria bassiana.The objective of this study was to measure the infectivity ofB. bassianaagainst adult of D. citri.B. bassianaconidia that used were 103, 104, 105, 106, 107, and 108conidia/ml.The experiment was repeated three times and arranged in a completely randomized design (CRD). Mean was analized by Duncans multiple range test correction at the level α=0.05. B. bassianacaused mortality of D. citriat rate of 10%, 15%, 18.33%, 26.67%, 33.33% and 53.33% respectively. The result showed that LC50 of B. bassianawas 1.52 x 108conidia/ml.
Efek Bawang Bombay dalam Menurunkan Kadar Gula Darah pada Tikus Putih Dewi, Yunesya Elfira; Nugrahalia, Meida; Fauziah, Ida
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 2, No 2 (2016): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (159.049 KB) | DOI: 10.31289/biolink.v2i2.802

Abstract

The research was conducted to observe the effect of Allium cepa L in reducing blood glucose level in white rat (Rattus novergicus). Treatments were consist of 2 ml and 4 ml of Allium cepa L and aquadest was used as treatment for control group. The result showed significant effect of both treatments using Allium cepa L compared to control group. Thus concluded that Allium cepa L has a good efficacy in reducing blood glucose level. But posthoc test using LSD did not show any difference between treatment groups of 2 ml and 4 ml.
UJI BEBERAPA VARIETAS DAN PEMBERIAN PUPUK BIOBOST TERHADAP PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascolonicum L.) Lubis, Rafiqah Amanda
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 2 (2017): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (216.812 KB) | DOI: 10.31289/biolink.v3i2.842

Abstract

This research aims was to know Test of Some Varieties and Provision of Bioboost Fertilizer on the Growth and Production of Red Onion (Allium ascolonicum L.). The design used in this research is Randomized Block Design, with 2 factors is: Factor Test Some varieties symbolized with (V) consists of 3 levels: V1 = Local Variety, V2 = Varieties of Brebes, V3 = Philippine Varieties. The Bioboost Fertilization Factor is symbolized by (B), is: B0 = 0 cc / Liter water, B1 = 3.5 cc / Liter water, B2 = 5cc / Liter water, B3 = 10 cc / Liter water. The result of analysis of variance that effect of some varieties treatment showed real effect at plant height 7 mst. While the influence is not real in the observation on the observation of plant height aged 3.5 and 9 mst. Number of tillers 3, 5, 7 and 9 mst. Tuber weight per sample and weight of tuber per plot.  Treatment of Bioboost fertilizer showed real effect on observation  weight of tuber per plot. While the effect was not significant on the observation of plant height aged 3, 5, 7 and 9 mst, the number of tillers aged 3, 5, 7 and 9 mst and tuber weight per sample. analysis of variance that due to the treatment of several varieties and fertilizer Bioboost showed a real effect on observation of height of plant age 7 and 9 mst. While the effect was not significant on observation of height parameters of plant age 3 and 5 mst, number of tillers age 3, 5, 7 and 9 mst, tuber weight per sample and weight of tuber per plot.
IDENTIFIKASI KESELAMATAN PENANGANAN LIMBAH PELUMAS PADA PT.ALTRAK 1978 BALIKPAPAN Azteria, Veza; Efendi, Jamal
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 4, No 1 (2017): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (159.65 KB) | DOI: 10.31289/biolink.v4i1.964

Abstract

One of the B3 waste that needs to get special handling because it is produced in high amount in the society is the oil used oil (used oil). Used lubricating oil is produced from various human activities such as, industry, mining, and workshop. The purpose of this research is to know how to identify the handling safety of lubricant waste at PT.ALTRAK 1978 Balikpapan and to determine the proper controlling step. This research is designed as an observational descriptive evaluation research conducted by checklist, JSA (Job Safety Analysis) with observation, analyze , Observation and processing of data and information that has been collected systematically. The results showed that the handling of lubricant waste in PT.ALTRAK 1978 Balikpapan get the results of the value by using a percentage calculation of 72% if adjusted to the operational standard of the procedure is included in the assessment with enough results.Identifikasi safety handling lubricant waste in PT.ALTRAK 1978 Balikpapan can be done By making JSA (Job Safety Analysis) as well as adjustment to standard operational procedures with the implementation of the field.

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